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5.2
Start-up
Fig.16
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Fig.17
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2
4
6
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LANGUE
Français - Deutsch - English -
E
1
Italiano - Espanol - Nederlands
2
- Pycck
- Polski - Türk -
1
D
2
bar
#
F
!
% $
J
I
STD
5.3
Shut-down
5.4
Frost protection
300026440 - v06 - 07082018
0
l
MW-C003159-A
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24
FRANCAIS
MW-C002286-C
1. Turn on the boiler using the on/off switch.
2. The first time the boiler is powered up, the LANGUAGE parameter is
displayed. Select the desired language by turning the rotary button.
3. Press the rotary button to confirm.
The boiler begins an automatic venting cycle that lasts around 3
minutes and is repeated each time the power is cut. If there is a
problem, the error is displayed on the screen.
4. Check the hydraulic pressure in the installation shown on the control
panel display.
Important
If the hydraulic pressure is less than 0.8 bar, add more water
(recommended hydraulic pressure: between 1.5 and 2.0
bar).
If the central heating system is not used for a long period of time, we
recommend switching off the boiler.
1. Switch the On/Off switch to Off.
2. Switch off the power supply to the boiler.
3. Close the oil inlet.
4. Ensure that the boiler and system are protected against frost damage.
5. Have the boiler and the chimney carefully swept.
6. Close the door of the boiler to prevent air circulating inside it.
7. Remove the pipe connecting the boiler to the chimney and plug the
flue gas nozzle.
8. Empty the tank and the domestic hot water piping (for modules with
domestic hot water production).
When the heating water temperature in the boiler is too low, the integrated
boiler protection system starts up. This protection functions as follows:
If the water temperature is lower than 7 °C, the heating pump starts up.
If the water temperature is lower than 4 °C, the boiler starts up.
If the water temperature is higher than 10 °C, the boiler shuts down and
the circulation pump continues to run for a short time (pump post-
circulation active).
If the water temperature in the buffer tank is less than 4 °C, it is
reheated to its set point.
Caution
Frost protection does not function if the appliance is switched
off.
The boiler protection only protects the boiler, not the system. To
protect the installation, set the appliance to HOLIDAYS mode.
The HOLIDAYS mode protects:
The installation if the outdoor temperature is lower than 3 °C (factory
setting).
5 Operation
AFC
17
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